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La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

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Titre :	Large-scale movements in European badgers: has the tail of the movement kernel been underestimated?
Auteurs :	Andrew W. Byrne, Auteur ; John L. Quinn, Auteur ; James J. O'Keeffe, Auteur ; Stuart Green, Auteur ; D. Paddy Sleeman, Auteur ; S. Wayne Martin, Auteur ; John Davenport, Auteur
Type de document :	Article
Dans :	Journal of Animal Ecology (83(4) JUL 2014)
Article en page(s) :	991-1001
Résumé :	Characterizing patterns of animal movementis a major aimin population ecology, and yet doing so at an appropriate spatial scale remains a major challenge. Estimating the frequency and distances of movements is of particular importance when species are implicated in the transmission of zoonotic diseases. European badgers (Meles meles) areclassically viewed as exhibiting limited dispersal, and yet their movements bring them into conflict with farmers due to their potential to spread bovine tuberculosis in parts of their range.Considerable uncertainty surrounds themovement potential of badgers, and this may be related tothe spatial scale of previous empirical studies.We conducted a large-scale mark-recapture study (755km2; 2008-2012; 1935 capture events; 963 badgers) to investigate movement patterns in badgers, and undertook a comparative meta-analysis using published data from 15 European populations. The dispersal movement (>1km) kernel followed an inverse power-law function, with a substantial tail' indicating the occurrence of rare long-distance dispersal attempts during the study period. The mean recorded distance from this distribution was 2 center dot 6km, the

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